* {
  box-sizing: border-box;
  font-family: sans-serif;
}

html,
body {
  height: 100%;
  width: 100%;
  margin: 0;
  padding: 0;
}

.panel {
  width: 100%;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.panel p {
  font-size: 6vw;
}

.red {
  background: red;
}

.blue {
  background: blue;
}

.green {
  background: green;
}

.orange {
  background: orange;
}
